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Today | Weather | Friday, December 12, 2025
Active Weather Warnings

Weather in Eugene, Oregon

08:52 PM
Now
Rainy Weather
45° F
Feels Like 45°
Precipitation 45 %
Wind 4 mph
Humidity 92 %
Today
Cloudy Night
Day 54°
Night 36°
Precipitation 49 %
Wind 4 mph

Eugene Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 12, 2024)
Rainy Weather

Day

43°

Night

36°

Wind

4 mph

Precipitation

84 %

Air Quality in Eugene

NOW
16 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 3.89 µg/m³
PM10 4.22 µg/m³
O3 0.007 ppm
NO2 5.9 ppb
SO2 0 ppb
CO 0.21 ppm
NH3 0.74 µg/m³
NO 0.08 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 3.89 µg/m³
PM10 – 4.22 µg/m³
O3 – 14.46 µg/m³
NO2 – 11.16 µg/m³
SO2 – 0.12 µg/m³
CO – 236.37 µg/m³
NH3 – 0.74 µg/m³
NO – 0.08 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Eugene

Moderate Expected Likely

Dense Fog Advisory

Dense Fog Advisory issued December 12 at 7:05PM PST until December 13 at 10:00AM PST by NWS Portland OR
Dec 12, 7:05 PM → Dec 13, 10:00 AM
WHAT: Visibility one quarter mile or less in dense fog.

WHERE: Lane County Lowlands.

WHEN: Until 10 AM PST Saturday.

IMPACTS: Low visibility could make driving conditions hazardous.
+ Read More
If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Updated: Dec 12, 7:53 PM Source: NWS Alert